MEAN WELL NPF-40D-36 [3/7] Npf 40

DETECTION

PWM & PFC

CIRCUIT

O.L.P.O.T.P.

EMI FILTER

RECTIFIERS

POWER

SWITCHING

FILTER

RECTIFIERS

Vo+

Vo-

I/P

CONTROL

O.V.P.

O.L.P.

PFC

CIRCUIT

DIM+

DIM-

BLOCK DIAGRAM

PFC fosc : 50~120KHz

PWM fosc : 60~130KHz

40W Single Output LED Driver

NPF-40D series

File Name:NPF-40D-SPEC 2017-10-09

DRIVING METHODS OF LED MODULE

※ This series works in constant current mode to directly drive the LEDs.

Typical LED power supply I-V curve

Vo(%)

100

50 100

(min.)

Io (%)

Constant

Current area

Hiccup

Protection

In the constant current region, the highest voltage at the output of the driver

depends on the configuration of the end systems.

Should there be any compatibility issues, please contact MEAN WELL.